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- Study for process optimization of steam cracking of LPG is done in the paper,, it is researched how cracking temperature, water oil ratio and residence time influence the yield of products. 对以液化气(LPG)为原料裂解生产乙烯的工艺进行优化研究,探讨了裂解温度、水油比和停留时间对裂解产物组成的影响,以期找出最佳工艺条件。
- With the decline of reservoir pressure and oil saturation, water cut became high and the gas - oil ratio was lowed, so the production benefit got worse. 蒸汽吞吐中随着地层压力的降低和地层含油饱和度的减少,周期含水上升,油汽比下降,开采效益变差。
- The author set up chromatograph charts of oil reservoir compositions for different watered-out degrees and watered-out degree discriminating standard by water drive oil ratio. 建立了河南油田不同水淹程度油层组分谱图图版和水驱油效率判别水淹程度标准。
- A hydroelectric power station which uses the river flow as it occurs, the filling period of its own reservoir by the cumulative water flows being practical negligible. 人工林群落对径流的调控，主要体现在人工林群落使地表径流发生频率降低，径流量减小。
- There were differences of cumulative water consumption and daily water consumption among different growth stages, and the daily water consumption in filling stage was the highest. 各生育时期的耗水量和日耗水量在不同生育时期存在差异，其中以灌浆期春小麦日均耗水量为最高。
- The amount of electricity which the cumulative water flows amended by upstream conditions, can produce under optimum conditions during a given period of time. 在给定时间内，由上游条件修正的径流量在最佳条件下所能产生的电量。
- Yuanping County in Shanxi Province, 15 km southwest of the North Village water oil. 在山西原平县城西南15公里水油沟村北。
- Obviouly, these movable production platforms will play an important rale on the oil production activity in shallow water oil fields. 移动式试采平台将会为浅海石油开采起着更大的推动作用。
- Research on feasibility of electric submersible pump application in high gas oil ratio oil well in some oil field block is made. 针对部分高含气油藏的特点,探讨使用潜油电泵的可行性。
- With the quickly developing of shallow water oil field in Bohai bay,the engineering construction work increases day and day,and the engineering construction rhythm is speeding up. 随着渤海湾各滩海油田向海上进军步伐的加快,滩海石油工程建设的工作量日益增大,工程建设的类型不断丰富,节奏不断加快。
- A kind of technics of oil production with ESP in high gas oil ratio oil well is found to widen application range and fields of ESP. 找出一种适合潜油电泵在高油气比油井中应用的采油工艺,进一步拓宽潜油电泵的应用范围和领域。
- In Talien New Port, the bridge which joins coast land to the off shore deep water oil tanker wharf is composed of nine spans of 100 metres all welded open web trusses. 在大连新港工程中，连接陆地和油码头的栈桥是由九跨百米、全焊的空腹桁架组成的。
- Appropriate Medium：Water，Oil，Gas，Various acids alkaline salt solutions media etc. Hard sealing ball valves also used in media with particles and firbres. 适用介质：水、油、气及各类酸、碱、盐介质，硬密封球阀还能适用带颗粒及纤维状介质。
- The existing of poypropylene can raise the liquid fraction ratio, especially the light oil ratio, so it can fortify the effect of the cracking reaction of polyene to light oil. 摘要在废旧聚烯烃的裂解反应中，聚丙烯的存在，可以提高轻油馏份的收率，增强反应的油化效果，本文称之为聚烯烃裂解反应的增强效应。
- From the research showed that Fruit Malva verticillate has oil ratio 8.88%. Its acid value is 13.17, saponification value is 175.83 and dioptre ratio n_2~(20)= 1.4753. 结果表明，冬葵果的平均产油率为8.;88%25，酸值为13
- It is proved by production test in 13 layers from 6 wells that the gas oil ratio calculated from well logging information can more correctly identify condensate gas reservoir. 通过 6口井 13个层位的试油检验证明 ,由测井信息计算的气油比可较为准确地识别凝析气藏。
- The existing of poypropylene can raise the liquid fraction ratio,especially the light oil ratio,so it can fortify the effect of the cracking reaction of polyene to light oil. 在废旧聚烯烃的裂解反应中,聚丙烯的存在,可以提高轻油馏份的收率,增强反应的油化效果,本文称之为聚烯烃裂解反应的增强效应。
- The clear water mirrored the blue sky. 清澈的水中映出蔚蓝的天空。
- Indicator installes in the center axis, so it can observes the valve position. It adopts convex mirror design, no cumulate water, more convenient to observe. 指示器安装在中心轴上，可以观察阀门位置。透镜采用凸出镜设计，不积水，观察更方便
- The nurse diluted the drug with saline water. 护士用生理盐水把药加以稀释。
